/*
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*/
/* 
    Created on : 2018-12-4, 14:52:13
    Author     : 超哥
*/
body{
    margin: 0;
    padding: 0;
}
#box{
    border: 1px solid red;
    width: 900px;
    margin: 0 auto;
}
h1{
    text-align: center;
}
table{
    margin: 0 auto;
   border-collapse: collapse;
}
td{
    border:2px solid #fff;
    height: 40px;
}
.hui{
    width: 150px;
    text-align: center;
    background-color: #999999;
}
.bai{
    width: 400px;
}
.bai input{
    margin-left: 30px;
}

